-31.39% is the change from 720 to 494
Calculation steps:
[( 494 - 720 ) ÷ 720] x 100 = -31.39%
Formula
Percentage change = [(494 - 720) / 720] x 100
Subtract the new number by the original number
494 - 720 = -226
-226 ÷ 720 = -0.3138888888888889
-0.3138888888888889 x 100 = -31.39%